6004 search results - page 173 / 1201 » Parallelizing query optimization |
SIGMOD
2012
ACM
12 years 22 days ago
2012
ACM
Query substitution is an important problem in information retrieval. Much work focuses on how to find substitutes for any given query. In this paper, we study how to efficiently ...
VLDB
1995
ACM
14 years 1 months ago
1995
ACM
Parallel database systems have to support the effective parallelization of complex queries in multi-user mode, i.e. in combination with inter-query/inter-transaction parallelism. ...
CISIS
2010
IEEE
14 years 3 months ago
2010
IEEE
—A new parallel programming framework for DNA sequence alignment in homogeneous multi-core processor architectures is proposed. Contrasting with traditional coarse-grained parall...
VLDB
2000
ACM
14 years 1 months ago
2000
ACM
Data allocation is a key performance factor for parallel database systems (PDBS). This holds especially for data warehousing environments where huge amounts of data and complex an...
IWOMP
2007
Springer
14 years 4 months ago
2007
Springer
The paper presents a compiler framework for analyzing and optimizing OpenMP programs. The framework includes Parallel Control Flow Graph and Parallel Data Flow equations based on t...